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G99 and G100 compliance

Connecting generation to the UK distribution network means meeting Engineering Recommendations G99 and G100. ENICO provides the protection, export limitation and documentation a connection needs.

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G99 protection

Generation that runs in parallel with the network, such as solar PV, battery storage and generators, needs interface protection that meets Engineering Recommendation G99 before the network operator will allow it to connect. ENICO supplies and builds G99 protection to suit the installation.

G100 export limitation

Where a site's export to the network has to be limited, Engineering Recommendation G100 sets the rules for the export limitation scheme. ENICO designs and builds G100 panels, so a site can install more generation than its export agreement would otherwise allow.

Typical projects

  • Commercial solar PV and battery storage
  • Generators running in parallel with the grid
  • Sites with an export limit set by the network operator

Delivered by ENICO Ltd, the engineering business behind Switchgear Direct.